vt.

1. 擅自（做）；冒昧（做）[+to-v]
   I won't presume to advise you on the subject.

   我不敢就这个题目对你说三道四。

2. 假定，假设；推测，认为[O2][O8][+（that）]
   I presume you will approve of the plan.

   我相信你会支持这个计划。

3. 推定，意味着[O2][O8][+（that）]
   If a person is missing for nine years in that country, he is presumed dead.

   在那个国家里，假如一个人失踪九年，就被作死亡论。

vi.

1. 擅自行为，放肆
   It would be presuming to camp in a person's yard without permission.

   不获允许就在别人的院子里露营是一种放肆的行为。

2. 设想；相信
   You are married, I presume?

   你是结了婚的吧？

v.

1. suppose that something is the case on the basis of probability.
   ▸take for granted.
2. be arrogant or impertinent enough to do something.
   ▸ (presume on/upon) unjustifiably regard (something) as entitling one to privileges.